media: vim2m: print device name after registering device

Move the v4l2_info() call displaying the video device name after the
device is actually registered.

This fixes a bug where the driver was always displaying "/dev/video0"
since it was reading from the vfd before it was registered.

Fixes: cf7f3477 ("media: vim2m: Register video device after setting up internals")
Cc: stable@vger.kernel.org
Signed-off-by: Matthew Majewski <mattwmajewski@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>